@charset "UTF-8";
/* =========================================================
   UBESTA (USEPREP & ChildU) - Responsive Stylesheet
   PC      : 1200px ~   (max 1400px / side 28px / 3col, gap 30px)
   Tablet  : 768px ~ 1199px (side 27px / 2col)
   Mobile  : 320px ~ 767px  (side 16px / 1col)
   ========================================================= */

/* ---------- Font ---------- */
@font-face { font-family: 'LINE Seed Sans KR'; font-weight: 100; font-style: normal; font-display: swap;
  src: local('LINE Seed Sans KR Thin'), url('/fonts/LINESeedSansKR-Th.woff2') format('woff2'); }
@font-face { font-family: 'LINE Seed Sans KR'; font-weight: 400; font-style: normal; font-display: swap;
  src: local('LINE Seed Sans KR'), url('/fonts/LINESeedSansKR-Rg.woff2') format('woff2'); }
@font-face { font-family: 'LINE Seed Sans KR'; font-weight: 700; font-style: normal; font-display: swap;
  src: local('LINE Seed Sans KR Bold'), url('/fonts/LINESeedSansKR-Bd.woff2') format('woff2'); }

/* ---------- Tokens ---------- */
:root {
  --main-yellow: #ffcc33;
  --main-black: #0e0e0e;
  --main-white: #ffffff;

  --bgGray: #f7f7f7;
  --lineGray: #cccccc;
  --midGray: #aaaaaa;
  --darkGray: #666666;

  --main-blue: #338BFF;
  --literacy-blue: #1E2C5F;
  --math-green: #2E8526;
	
  --c-text: #1e1e1e;
  --c-text2: #333;
  --c-text3: #666;
  --c-navy: #103674;
  --c-navy-dk: #01183e;
  --c-yellow: #eab708;
  --c-yellow-lt: #fcd13e;
  --c-line: #e5e5e5;
  --c-gray-bg: #f1f3f7;
  --c-tag-bg: #e6eaf0;

  --inner: 1400px;
  --side: 28px;
  --gap: 30px;
  --hd: 100px;
  --radius-lg: 40px;
  --radius-md: 20px;

  --fs-80: 64px;
  --fs-58: 58px;
  --fs-44: 44px;
  --fs-38: 38px;
  --fs-36: 36px;
  --fs-24: 24px;
  --fs-22: 22px;
  --fs-18: 18px;
  --fs-16: 16px;
  --fs-14: 14px;

  --sec-pad: 175px;
  --ease: cubic-bezier(.22, .8, .24, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  margin: 0; min-width: 320px;
  font-family: 'LINE Seed Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: var(--fs-18); line-height: 1.5; color: var(--c-text);
  background: #fff; word-break: keep-all; overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img, iframe, video { display: block; max-width: 100%; border: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
strong, b { font-weight: 700; }
.blind { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 1000; padding: 12px 18px; background: var(--c-navy); color: #fff; border-radius: 8px; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--c-yellow); outline-offset: 3px; }

.inner { width: 100%; max-width: var(--inner); margin: 0 auto; padding: 0 var(--side); }
.only-m { display: none !important; }
.br-pc { display: inline; }
.br-lg { display: inline; }

/* ---------- Common atoms ---------- */
.tag {
  display: inline-flex; align-items: center; min-height: 38px; padding: 7px 16px;
  border-radius: 999px; font-size: var(--fs-18); font-weight: 700; line-height: 1.3;
  background: var(--c-tag-bg); color: var(--c-navy);
}
.tag--yellow { background: #fefaeb; color: var(--c-yellow); }
.tag--line { background: #fff; border: 1.5px solid var(--c-navy); color: var(--c-navy); }
.tag--line-y { background: #fff; border: 1.5px solid var(--c-yellow); color: var(--c-yellow); }
.c-navy { color: var(--c-navy); }
.c-yellow { color: var(--c-yellow); }
.fw-r { font-weight: 400; }
.mark-y { background: linear-gradient(transparent 55%, #fff3c4 55%); }
.mark-g { background: linear-gradient(transparent 55%, #e9ebee 55%); }
.mark-b { background: linear-gradient(transparent 55%, #dde7f6 55%); padding: 0 2px; }
.mark-yb { background: linear-gradient(transparent 55%, #fff1c4 55%); padding: 0 2px; }

.dots { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; opacity: .9; }

.btn-pill {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 28px; border-radius: 999px;
  font-size: 15px; font-weight: 700; white-space: nowrap;
  transition: transform .25s var(--ease), box-shadow .25s, background-color .25s;
}
.btn-pill:hover { transform: translateY(-2px); box-shadow: 0 8px 18px rgba(16, 54, 116, .18); }
.btn-pill--yellow { background: var(--c-yellow); color: #fff; }
.btn-pill--navy { background: var(--c-navy); color: #fff; }
.btn-pill--white { background: #fff; color: var(--c-text); }
.btn-arrow { display: inline-block; width: 18px; height: 18px; flex: none; }

.num {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--c-navy); color: #fff; font-size: var(--fs-18); font-weight: 700; line-height: 1;
}
.num--y { background: var(--c-yellow); }

/* reveal on scroll */
[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .1s; }
[data-reveal-delay="2"] { transition-delay: .2s; }
[data-reveal-delay="3"] { transition-delay: .3s; }
[data-reveal-delay="4"] { transition-delay: .4s; }

/* =========================================================
   HEADER / GNB
   ========================================================= */
.header {
  position: sticky; top: 0; z-index: 100; background: #fff;
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}
.header.is-fixed { border-bottom-color: #e2e2e2; box-shadow: 0 4px 16px rgba(0, 0, 0, .03); }
.header__inner {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: var(--hd);
}
.header__logo a { display: inline-flex; align-items: center; gap: 18px; }
.header__logo img { max-width: none; flex: none; }
.header__logo img:first-child { height: 50px; width: auto; }
.header__logo img:last-child { height: 33px; width: auto; }
.gnb ul { display: flex; gap: 40px; }
.gnb a {
  display: block; padding: 8px 0; text-align: center;
  font-size: 16px; color: var(--c-text); transition: color .2s;
}
/* 볼드 전환 시 글자 폭 변화로 메뉴가 흔들리지 않도록 볼드 폭 미리 확보 */
.gnb a::after { content: attr(data-text); display: block; height: 0; overflow: hidden; visibility: hidden; font-weight: 700; }
.gnb a:hover, .gnb a.is-active { font-weight: 700; }
.header__util { display: flex; justify-content: flex-end; gap: 10px; }
.header__toggle { display: none; }
.m-menu { display: none; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: #1c1c1c; color: #fff; padding: 60px 0 70px; }
.footer__logo { display: flex; align-items: center; gap: 18px; margin-bottom: 36px; }
.footer__logo img:first-child { height: 50px; width: auto; }
.footer__logo img:last-child { height: 33px; width: auto; }
.footer__links { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-bottom: 20px; }
.footer__links a { font-size: var(--fs-16); font-weight: 700; }
.footer__links a:hover { color: var(--c-yellow-lt); }
.footer__info { font-size: var(--fs-16); color: #b5b5b5; line-height: 1.8; font-style: normal;}
.footer__info span { display: inline-block; }
.footer__info span + span::before { content: ''; display: inline-block; width: 1px; height: 11px; margin: 0 10px; background: #555; vertical-align: -1px; }
.footer__info a {cursor: default;}
.footer__copy { margin-top: 20px; font-size: var(--fs-16); color: #8a8a8a; }

/* =========================================================
   MAIN : VISUAL
   ========================================================= */
.m-visual { padding: 180px 0 175px; text-align: center; }
.m-visual__title { margin-top: 18px; font-size: var(--fs-80); font-weight: 700; line-height: 1.3; letter-spacing: -.01em; }
.m-visual__desc { margin-top: 30px; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }

.v-cards { display: flex; gap: var(--gap); margin-top: 110px; height: 450px; text-align: left; }
.v-card {
  --grow: 1;
  position: relative; display: flex; flex-direction: column; flex: var(--grow) 1 0; min-width: 0;
  padding: 70px 48px 0; border-radius: var(--radius-lg); overflow: hidden;
  transition: flex-grow .7s var(--ease), box-shadow .4s;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
}
.v-card.is-active { --grow: 2.07; box-shadow: 0 20px 40px rgba(16, 54, 116, .14); }
.v-card--y { background: linear-gradient(180deg, #fcd13e 0%, #eab708 100%); color: var(--c-text); }
.v-card--b { background: linear-gradient(180deg, #003c9e 0%, #103674 100%); color: #fff; }
.v-card__step {
  align-self: flex-start; display: inline-flex; align-items: center; height: 42px; padding: 0 22px;
  border-radius: 999px; background: #fff; color: var(--c-text); font-size: var(--fs-18); font-weight: 700; white-space: nowrap;
}
.v-card__title { margin-top: 16px; font-size: var(--fs-44); font-weight: 700; line-height: 1.2; white-space: nowrap; }
.v-card__desc {
  margin-top: 26px; font-size: var(--fs-18); line-height: 1.4; white-space: nowrap;
  opacity: 0; transform: translateY(16px); transition: opacity .35s, transform .5s var(--ease);
}
.v-card.is-active .v-card__desc { opacity: 1; transform: none; transition-delay: .35s, .35s; }
/* Step2 hover : '영어를 넘어 / 영어로 지식을 배우자.' 2줄 */
.v-card.is-active .br-fold { display: none; }
.v-card__logo { position: absolute; right: 40px; bottom: 32px; transition: transform .7s var(--ease); }
.v-card--y .v-card__logo { width: 222px; }
.v-card--b .v-card__logo { width: 226px; bottom: 50px; }
.v-card:not(.is-active) .v-card__logo { transform: scale(.88); transform-origin: right bottom; }
.v-card::after { /* hover sheen */
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(600px 300px at 80% 0%, rgba(255, 255, 255, .18), transparent 60%);
}

/* =========================================================
   MAIN : REFUSE (black)
   ========================================================= */
.m-refuse { background: #000; color: #fff; padding: 175px 0; text-align: center; }
.m-refuse__sub { font-size: var(--fs-44); font-weight: 400; line-height: 1.3; }
.m-refuse__title { font-size: var(--fs-58); font-weight: 700; line-height: 1.3; margin-top: 4px; }
.m-refuse__list { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-top: 60px; }
.m-refuse__list li {
  display: inline-flex; align-items: center; justify-content: center; min-height: 74px; padding: 14px 56px;
  border-radius: 10px; background: #1d1d1d; color: #cfcfcf; font-size: var(--fs-24); line-height: 1.3;
}
.m-refuse .dots { margin: 90px 0 110px; color: #fff; }
.m-refuse__end { font-size: var(--fs-44); font-weight: 700; line-height: 1.35; }

/* =========================================================
   MAIN : PARALLAX
   ========================================================= */
.m-parallax { position: relative; overflow: hidden; padding: 175px 0; text-align: center; isolation: isolate; }
.m-parallax__bg {
  position: absolute; left: 0; right: 0; top: -30%; height: 160%; z-index: -2;
  background: url('/images/main_bg_book.jpg') center / cover no-repeat;
  will-change: transform;
}
.m-parallax::before { content: ''; position: absolute; inset: 0; z-index: -1; background: rgba(255, 255, 255, .8); }
.m-parallax__title { font-size: var(--fs-58); font-weight: 700; color: var(--c-navy); line-height: 1.3; }
.m-parallax__lead { margin-top: 26px; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }
.m-parallax__txt { margin-top: 26px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.m-parallax__txt + .m-parallax__txt { margin-top: 24px; }

/* =========================================================
   MAIN : HEAD block (tag + big title)
   ========================================================= */
.m-head { text-align: center; }
.m-head__title { margin-top: 20px; font-size: var(--fs-80); font-weight: 400; line-height: 1.3; }
.m-head__title strong { display: block; }
.m-head__desc { margin-top: 30px; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }

/* split row (photo + text) */
.split { display: grid; grid-template-columns: minmax(0, 600fr) minmax(0, 657fr); column-gap: 87px; align-items: center; }
.split__photo { border-radius: var(--radius-lg); overflow: hidden; }
.split__photo img { width: 100%; height: auto; transition: transform 1.2s var(--ease); }
.split__photo:hover img { transform: scale(1.03); }
.split__title { margin-top: 20px; font-size: var(--fs-44); font-weight: 400; line-height: 1.3; }
.split__body { margin-top: 40px; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }
.split__body p + p { margin-top: 34px; }
.split__body strong { color: var(--c-text); }

/* =========================================================
   MAIN : USEPREP
   ========================================================= */
.m-useprep { padding: 175px 0; overflow: hidden; }
.m-useprep .split { margin-top: 110px; }
.bubbles { display: flex; flex-direction: column; align-items: center; gap: 18px; margin-top: 180px; }
.bubble {
  display: inline-flex; align-items: center; gap: 6px; min-height: 90px; padding: 20px 40px;
  border-radius: 45px 45px 0 45px; background: #fff; font-size: var(--fs-22); font-weight: 700;
  box-shadow: 4px 6px 0 rgba(0, 0, 0, .06), 0 0 0 1px #f0f0f0 inset;
}
.bubble img { width: 22px; height: 22px; }
.m-useprep .dots { margin: 70px 0 60px; color: #bdbdbd; }
.m-useprep .dots i { width: 7px; height: 7px; }
.literacy { text-align: center; }
.literacy__title { margin-top: 20px; font-size: var(--fs-44); font-weight: 700; line-height: 1.3; }
.literacy__txt { margin-top: 40px; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }
.literacy__txt + .literacy__txt { margin-top: 34px; }

/* literacy chart (scroll-scrubbed) */
.lit-chart {
  margin: 70px auto 0; padding: 70px 40px 70px; border-radius: var(--radius-lg); background: #fafafa; overflow: hidden;
}
.lit-chart__stage {
  --p: 0; position: relative; width: 100%; max-width: 1040px; margin: 0 auto; aspect-ratio: 1040 / 200;
  container-type: inline-size;
}
.lit-chart__box {
  position: absolute; left: 26.35%; top: 6%; width: 46.9%; height: 89.25%;
  border: 2px solid #fcde79; border-radius: 4.3cqw; background: #fcf7e8;
  /* 스크롤에 따라 위에서 내려와 막대 위치에 맞춰짐 */
  opacity: clamp(0, calc(var(--p) * 1.6), 1); transform: translateY(calc((1 - var(--p)) * -150%));
  will-change: transform;
}
.lit-chart__bar { position: absolute; z-index: 1; width: 23.4%; height: 7.5%; border-radius: 99px; }
.lit-chart__bar span {
  position: absolute; left: 50%; bottom: 100%; margin-bottom: 1.3cqw; transform: translateX(-50%);
  font-size: 2.22cqw; font-weight: 700; color: var(--c-text2); white-space: nowrap; line-height: 1;
}
.lit-chart__bar:nth-child(2) { left: 2.55%;  top: 81.5%; background: #c3d5eb; }
.lit-chart__bar:nth-child(3) { left: 20.43%; top: 69.5%; background: #83a3ce; }
.lit-chart__bar:nth-child(4) { left: 38.32%; top: 57.5%; background: #4773ac; }
.lit-chart__bar:nth-child(5) { left: 56.2%;  top: 45.5%; background: #28518a; }
.lit-chart__bar:nth-child(6) { left: 74.23%; top: 33.5%; background: #103674; }
.lit-chart__bar:nth-child(6) span { color: var(--c-text); font-size: 2.4cqw; }
.lit-chart__foot {
  margin-top: 18px; text-align: center; font-size: var(--fs-22); color: var(--c-text2); line-height: 1.45;
  opacity: clamp(0, calc(var(--p) * 1.6 - .4), 1); transform: translateY(calc((1 - var(--p)) * -120px));
}
.lit-chart__foot svg { display: block; margin: 0 auto 18px; width: 26px; height: 26px; color: var(--c-yellow); }

.brand-line { display: flex; align-items: center; justify-content: space-between; gap: 40px; margin-top: 160px; }
.brand-line__txt { font-size: var(--fs-44); line-height: 1.41; }
.brand-line__logo { flex: none; width: 302px; }
.brand-line__logo--childu { width: 348px; }

/* =========================================================
   MAIN : CHILDU
   ========================================================= */
.m-childu { padding: 175px 0; background: #fcfcfc; }
.m-childu .split { margin-top: 110px; }
.notice__title { font-size: var(--fs-44); font-weight: 700; line-height: 1.25; color: var(--c-navy); }
.notice__title small { display: block; margin-top: 4px; font-size: var(--fs-38); font-weight: 400; color: var(--c-text); }
.notice__list { margin-top: 44px; border-top: 1px solid #e3e3e3; }
.notice__list li { display: flex; gap: 22px; padding: 30px 12px; border-bottom: 1px solid #e3e3e3; }
.notice__list img { flex: none; width: 28px; height: 28px; margin-top: 2px; object-fit: contain; }
.notice__list strong { display: block; font-size: var(--fs-24); font-weight: 400; color: var(--c-text); line-height: 1.3; }
.notice__list p { margin-top: 6px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.m-childu .brand-line { margin-top: 180px; align-items: flex-end; }
.m-childu .brand-line__note { margin-top: 30px; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }

.recommend { margin-top: 180px; }
.recommend__title { text-align: center; font-size: var(--fs-44); font-weight: 700; }
.recommend__list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 26px; margin-top: 70px; }
.recommend__list li {
  display: flex; align-items: center; gap: 22px; min-height: 130px; padding: 24px 34px;
  border: 1px solid #e5e5e5; border-radius: 10px; background: #fff;
  font-size: var(--fs-24); color: var(--c-text3); line-height: 1.42;
  transition: border-color .3s, transform .3s var(--ease);
}
.recommend__list li:hover { border-color: var(--c-navy); transform: translateY(-3px); }
.recommend__list li b { font-weight: 400; color: var(--c-text); }

/* =========================================================
   MAIN : PARTNER LOGO MARQUEE
   ========================================================= */
.m-partner { padding: 175px 0; text-align: center; overflow: clip; }
.m-partner__title { font-size: var(--fs-44); font-weight: 700; }
.m-partner__desc { margin-top: 30px; font-size: var(--fs-24); color: var(--c-text2); }
.marquee { position: relative; margin-top: 60px; overflow: hidden; }
.marquee__track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.marquee__list { display: flex; gap: 46px; padding-right: 46px; }
.marquee__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  width: 208px; height: 245px; flex: none; border: 1px solid #ececec; border-radius: 16px; background: #fff;
}
.marquee__item img { width: auto; height: 150px; max-width: 170px; object-fit: contain; }
.marquee__item span { font-size: var(--fs-16); color: var(--c-text3); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* =========================================================
   MAIN : CTA
   ========================================================= */
.m-cta { padding: 0 0 175px; }
.cta { display: grid; grid-template-columns: 1fr 455px; min-height: 500px; border-radius: var(--radius-lg); overflow: hidden; background: var(--c-navy-dk); color: #fff; }
.cta__txt { padding: 96px 70px 70px; }
.cta__title { font-size: var(--fs-38); font-weight: 400; line-height: 1.3; }
.cta__title strong { display: block; margin-top: 4px; font-size: var(--fs-44); }
.cta__title .y { color: #fcd13e; }
.cta__title .b { color: #5d9bff; }
.cta__desc { margin-top: 56px; font-size: var(--fs-18); }
.cta__btn { margin-top: 20px; height: 48px; padding: 0 24px 0 22px; font-size: var(--fs-16); }
.cta__photo img { width: 100%; height: 100%; object-fit: cover; }

/* =========================================================
   SUB : VISUAL
   ========================================================= */
.s-visual { padding: 175px 0; }
.m-visual .tag, .m-head .tag,
.s-visual > .inner > .tag { min-height: 46px; padding: 8px 22px; font-size: var(--fs-24); }
.s-visual__title { margin-top: 18px; font-size: var(--fs-58); font-weight: 700; line-height: 1.3; }
.s-visual__img { margin-top: 30px; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1344 / 588; }
.s-visual__img img { width: 100%; height: 100%; object-fit: cover; animation: kenburns 1.6s var(--ease) both; }
@keyframes kenburns { from { transform: scale(1.08); opacity: .4; } to { transform: none; opacity: 1; } }
.s-visual__txt { margin-top: 30px; text-align: right; font-size: var(--fs-24); color: var(--c-text2); line-height: 1.42; }
.s-visual__txt strong { display: block; margin-top: 34px; color: var(--c-text); }

/* =========================================================
   SUB : SECTION (sticky left title + content)
   ========================================================= */
.s-sec { padding: 0 0 175px; }
.s-sec__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); column-gap: var(--gap); }
.s-sec__grid > * { min-width: 0; }
.s-sec__head { position: relative; }
.s-sec__sticky { position: sticky; top: calc(var(--hd) + 60px); padding-bottom: 20px; }
.s-sec__title { margin-top: 16px; font-size: var(--fs-44); font-weight: 700; line-height: 1.3; }
.s-sec__desc { margin-top: 30px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.s-sec__desc strong { color: var(--c-text2); }
.s-sec--half .s-sec__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }

.c-head { padding-bottom: 36px; border-bottom: 1px solid var(--c-line); font-size: var(--fs-36); font-weight: 700; line-height: 1.3; }
.c-block { padding: 50px 0; border-bottom: 1px solid var(--c-line); }
.c-block:last-child { border-bottom: 0; }
.c-block__label { font-size: var(--fs-24); font-weight: 700; line-height: 1.3; }
.c-block__label small { font-size: var(--fs-18); }
.c-block__txt { margin-top: 12px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.c-block__txt + .c-block__txt { margin-top: 26px; }
.c-block__txt strong { color: var(--c-text2); }
.c-bullet { margin-top: 12px; }
.c-bullet li { position: relative; padding-left: 20px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.6; }
.c-bullet li::before { content: '·'; position: absolute; left: 4px; top: 0; font-weight: 700; }
.c-sub { font-size: var(--fs-24); font-weight: 700; color: var(--c-navy); }
.c-sub--y { color: var(--c-yellow); }

/* BOY / MOY / EOY */
.cycle { margin-top: 40px; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }
.cycle__head, .cycle__body { display: grid; grid-template-columns: repeat(3, 1fr); text-align: center; }
.cycle__head { background: linear-gradient(90deg, #8fb0e0 0%, #5579b0 50%, #103674 100%); color: #fff; font-size: var(--fs-16); font-weight: 700; }
.cycle__head span { padding: 14px 10px; }
.cycle__body div { padding: 18px 10px 22px; }
.cycle__body strong { display: block; font-size: var(--fs-18); }
.cycle__body small { display: block; font-size: var(--fs-16); color: var(--c-text3); }

/* Science of reading table */
.sor { margin-top: 50px; border: 1px solid var(--c-line); border-radius: var(--radius-lg); overflow: hidden; }
.sor__row { display: grid; grid-template-columns: 280px 1fr; }
.sor__row + .sor__row { border-top: 1px solid var(--c-line); }
.sor__row + .sor__row .sor__step { border-top: 1px solid rgba(255, 255, 255, .25); margin-top: -1px; }
.sor__step { display: flex; flex-direction: column; justify-content: center; padding: 30px 30px; color: #fff; }
.sor__step small { font-size: var(--fs-16); opacity: .75; }
.sor__step strong { margin-top: 2px; font-size: var(--fs-18); }
.sor__row:nth-child(1) .sor__step { background: linear-gradient(180deg, #8fb0e0, #7a9fd2); }
.sor__row:nth-child(2) .sor__step { background: linear-gradient(180deg, #6c90c3, #5a7fb4); }
.sor__row:nth-child(3) .sor__step { background: linear-gradient(180deg, #4a70a6, #395f97); }
.sor__row:nth-child(4) .sor__step { background: linear-gradient(180deg, #284e88, #103674); }
.sor__desc { display: flex; align-items: center; padding: 34px 30px; font-size: var(--fs-16); color: var(--c-text2); line-height: 1.4; }

/* level design block (bg area) */
.s-sec--has-level { position: relative; isolation: isolate; overflow-x: clip; }
.s-sec--math { padding-top: var(--sec-pad); }
.s-level { --lv-bg: #f5f9ff; position: relative; padding-top: var(--sec-pad); }
.s-level--y { --lv-bg: #fffbee; }
.s-level::before { /* 화면 전체 폭 배경 : 흰색 → 연파랑/연노랑 (700px) */
  content: ''; position: absolute; z-index: -1; top: 0; bottom: calc(var(--sec-pad) * -1); left: -100vw; right: -100vw;
  background: linear-gradient(180deg, #fff 0, var(--lv-bg) 700px, var(--lv-bg) 100%);
}
.s-level .c-head { margin-bottom: 0; }
.lv-item { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--gap); padding: 40px 0; border-bottom: 1px solid var(--c-line); }
.lv-item--full { grid-template-columns: 1fr; }
.lv-item__title { margin-top: 12px; font-size: var(--fs-24); font-weight: 700; line-height: 1.42; }
.lv-item__txt { margin-top: 10px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.lv-item__media img { width: 100%; height: auto; border-radius: var(--radius-md); }
.lv-item__media .mul { mix-blend-mode: multiply; border-radius: 0; }

/* placement diagram */
.placement { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.placement li {
  display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 156px; padding: 14px;
  border: 1px solid #d9dee8; border-radius: 16px; background: #fff; text-align: center;
  font-size: var(--fs-18); font-weight: 700; line-height: 1.35;
}
.placement li small { margin-top: 6px; font-size: 13px; font-weight: 700; color: #a3a8b3; }
.placement li:first-child { grid-column: 2; }
.placement li:nth-child(2) { grid-column: 1; }

/* video picker */
.vpick-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); margin-top: 40px; }
.vpick__label { margin-bottom: 20px; }
.vpick__screen { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; background: #000; }
.vpick__screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.vpick__poster { position: absolute; inset: 0; width: 100%; height: 100%; }
.vpick__poster img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.vpick__poster:hover img { transform: scale(1.04); }
.play-ico {
  position: absolute; left: 50%; top: 50%; width: 60px; height: 60px; margin: -30px 0 0 -30px;
  border: 3px solid #fff; border-radius: 50%; background: rgba(0, 0, 0, .12); transition: transform .3s var(--ease), background .3s;
}
.play-ico::after { content: ''; position: absolute; left: 23px; top: 17px; border-left: 18px solid #fff; border-top: 11px solid transparent; border-bottom: 11px solid transparent; }
.vpick__poster:hover .play-ico { transform: scale(1.1); background: rgba(0, 0, 0, .3); }
.select { position: relative; margin-top: 18px; }
.select select {
  width: 100%; height: 50px; padding: 0 48px 0 20px; border: 1px solid #e3e3e3; border-radius: 10px; background: #fff;
  font-size: var(--fs-18); color: var(--c-text); appearance: none; -webkit-appearance: none; cursor: pointer;
  text-overflow: ellipsis; white-space: nowrap; overflow: hidden;
}
.select select:focus { outline: none; border-color: var(--c-navy); box-shadow: 0 0 0 3px rgba(16, 54, 116, .12); }
.select::after {
  content: ''; position: absolute; right: 20px; top: 50%; margin-top: -4px; pointer-events: none;
  border-top: 9px solid var(--c-text); border-left: 7px solid transparent; border-right: 7px solid transparent;
}

/* 참고 이미지 + 뒤에서 움직이는 원 */
.orbit-fig { position: relative; isolation: isolate; display: flex; align-items: center; justify-content: center; min-height: 240px; padding: 20px 0; }
.orbit-fig img { position: relative; width: 100%; max-width: 420px; height: auto; border-radius: 0 !important; }
.orbit-fig .placement { display: none; position: relative; width: 100%; }
.orbit-fig.is-noimg img { display: none; }
.orbit-fig.is-noimg .placement { display: grid; }
.orbit { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.orbit i { position: absolute; border-radius: 50%; will-change: transform; }
.orbit i:nth-child(1) { width: 64%; aspect-ratio: 1; left: 18%; top: 50%; margin-top: -32%; background: var(--o1); animation: orbitPulse 7s ease-in-out infinite; }
.orbit i:nth-child(2) { width: 24%; aspect-ratio: 1; right: 6%; top: 4%; background: var(--o2); animation: orbitFloat 6s ease-in-out infinite; }
.orbit i:nth-child(3) { width: 11%; aspect-ratio: 1; left: 6%; bottom: 8%; background: var(--o3); animation: orbitCircle 9s linear infinite; }
.orbit i:nth-child(4) { width: 82%; aspect-ratio: 1; left: 9%; top: 50%; margin-top: -41%; border: 2px dashed var(--o4); animation: orbitSpin 40s linear infinite; }
.orbit-fig--b { --o1: #e3ecf8; --o2: #c3d5eb; --o3: #fcd13e; --o4: #c9d8ee; }
.orbit-fig--y { --o1: #fff3cf; --o2: #fde39a; --o3: #8fb0e0; --o4: #f6dd8f; }
@keyframes orbitPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.07); } }
@keyframes orbitFloat { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-14px, 18px); } }
@keyframes orbitCircle { from { transform: rotate(0deg) translateX(22px) rotate(0deg); } to { transform: rotate(360deg) translateX(22px) rotate(-360deg); } }
@keyframes orbitSpin { to { transform: rotate(360deg); } }

/* youtube : 로컬 파일(file://) 미리보기용 대체 화면 */
.vpick__fallback { position: absolute; inset: 0; display: block; color: #fff; }
.vpick__fallback img { width: 100%; height: 100%; object-fit: cover; }
.vpick__fallback .play-ico { pointer-events: none; }
.vpick__fallback em { position: absolute; left: 0; right: 0; bottom: 0; padding: 10px 14px; background: rgba(0, 0, 0, .55); font-size: 13px; font-style: normal; text-align: center; }

/* math */
.c-block--fig { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--gap); align-items: center; }
.c-block--fig img { width: 100%; height: auto; }

/* language training */
.s-lt { padding: 175px 0; }
.s-lt__title { font-size: var(--fs-44); font-weight: 700; }
.s-lt__title span { font-weight: 400; }
.s-lt__txt { margin-top: 26px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.s-lt__em { margin-top: 30px; font-size: var(--fs-24); line-height: 1.42; }
.lt-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 70px; }
.lt-card {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 114px; padding: 20px 30px;
  border-radius: 50px; color: #fff; transition: transform .3s var(--ease), box-shadow .3s;
}
.lt-card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(1, 24, 62, .2); }
.lt-card--math { background: var(--c-navy-dk); }
.lt-card--lit { background: var(--c-navy); }
.lt-card strong { display: block; font-size: var(--fs-24); line-height: 1.2; }
.lt-card small { display: block; font-size: var(--fs-18); }
.lt-card .btn-pill { height: 48px; min-width: 142px; justify-content: space-between; padding: 0 20px; font-size: var(--fs-16); }
.lt-card:hover .btn-pill { transform: none; box-shadow: none; }

/* childu intro list */
.intro-list li {
  display: flex; align-items: center; gap: 22px; min-height: 96px; padding: 20px 30px;
  border: 1px solid var(--c-line); border-radius: 10px; font-size: var(--fs-24); line-height: 1.42;
}
.intro-list li + li { margin-top: 20px; }

/* video grid (childu) */
.vgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px var(--gap); margin-top: 20px; }
.vgrid figure { text-align: center; }
.vgrid__screen { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden; background: #111; }
.vgrid__screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.vgrid figcaption { margin-top: 12px; font-size: var(--fs-18); color: var(--c-text3); }

/* books */
.books { display: grid; grid-template-columns: 1fr 1fr; gap: 40px var(--gap); margin-top: 20px; }
.books figure { text-align: center; }
.books__img { display: flex; align-items: center; justify-content: center; height: 240px; padding: 24px 0 10px; border-radius: var(--radius-lg); background: var(--c-gray-bg); overflow: hidden; }
.books__img img { max-height: 100%; width: auto; transition: transform .5s var(--ease); }
.books figure:hover .books__img img { transform: translateY(-6px) scale(1.03); }
.books figcaption { margin-top: 12px; font-size: var(--fs-18); color: var(--c-text3); }
.btn-down {
  display: flex; align-items: center; justify-content: center; gap: 12px; width: 380px; max-width: 100%; height: 60px; margin: 50px auto 0;
  border-radius: 999px; background: var(--c-navy); color: #fff; font-size: var(--fs-24); font-weight: 700;
  transition: transform .25s var(--ease), box-shadow .25s;
}
.btn-down:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(16, 54, 116, .25); }
.btn-down svg { width: 24px; height: 24px; }

.curri-img { max-width: 620px; margin-left: auto; }
.curri-img img { width: 100%; height: auto; }
.curriculum {margin: 20px 0 0; display: flex; gap: 20px; flex-wrap: wrap; justify-content: center;}
.curriculum li {width: calc(50% - 10px);}
.curriculum li .btn-down {margin: 0;}
.curriculum li .btn-down.u-pathfinder {background: #97c84a;}
.curriculum li .btn-down.u-adventurer {background: #4eba96;}
.curriculum li .btn-down.u-trailblazer {background: #53bfcc;}
.curriculum li .btn-down.u-homesteader {background: #3d9ed1;}

/* benefits */
.s-benefit { padding: 0 0 175px; }
.s-benefit__title { font-size: var(--fs-44); font-weight: 700; line-height: 1.3; }
.benefit { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); margin-top: 40px; }
.benefit li { min-height: 315px; padding: 36px 30px; border: 1px solid var(--c-line); border-radius: var(--radius-lg); transition: border-color .3s, transform .3s var(--ease); }
.benefit li:hover { border-color: var(--c-navy); transform: translateY(-4px); }
.benefit__ico { display: flex; align-items: center; justify-content: center; width: 80px; height: 80px; border-radius: 16px; background: var(--c-gray-bg); }
.benefit__ico img { width: 38px; height: 38px; object-fit: contain; }
.benefit strong { display: block; margin-top: 40px; font-size: var(--fs-24); }
.benefit p { margin-top: 10px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }

/* join us : support */
.support li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--gap); }
.support li + li { margin-top: 40px; }
.support h4 { font-size: var(--fs-24); font-weight: 700; line-height: 1.3; }
.support p { margin-top: 12px; font-size: var(--fs-18); color: var(--c-text3); line-height: 1.4; }
.support__img { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 428 / 265; }
.support__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.support li:hover .support__img img { transform: scale(1.05); }

/* join us : process */
.s-process { padding: 175px 0; background: linear-gradient(180deg, #fff 0%, #f3f5f7 100%); }
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 52px 32px; max-width: 657px; margin-left: auto; }
.process li { position: relative; text-align: center; }
.process__box { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 1; border-radius: var(--radius-lg); }
.process__box img { width: 36%; height: auto; }
.process li strong { display: block; margin-top: 22px; font-size: var(--fs-18); line-height: 1.3; }
.process__arrow { position: absolute; left: 100%; top: 50%; width: 44px; height: 44px; margin: -22px 0 0 -18px; z-index: 1; }
.process li:nth-child(3) .process__arrow { display: none; }
.process li:nth-child(1) .process__box { background: #a9c1de; }
.process li:nth-child(2) .process__box { background: #8aa8cc; }
.process li:nth-child(3) .process__box { background: #547fb2; }
.process li:nth-child(4) .process__box { background: #103674; }
.process li:nth-child(5) .process__box { background: #f5d46b; }
.process li:nth-child(6) .process__box { background: #eab708; }
.process li:nth-child(1) .process__arrow { color: #a9c1de; }
.process li:nth-child(2) .process__arrow { color: #8aa8cc; }
.process li:nth-child(3) .process__arrow { color: #547fb2; }
.process li:nth-child(4) .process__arrow { color: #103674; }
.process li:nth-child(5) .process__arrow { color: #f5d46b; }

/* join us : contact form */
.s-contact { padding: 175px 0; }
.s-contact .s-sec__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.form-row + .form-row { margin-top: 30px; }
.form-row label, .form-row .label { display: block; margin-bottom: 10px; font-size: var(--fs-18); color: var(--c-text2); }
.form-row label em { color: var(--c-yellow); font-style: normal; }
.inp, .txa {
  width: 100%; height: 50px; padding: 0 18px; border: 1px solid transparent; border-radius: 10px;
  background: #f5f5f7; font-size: var(--fs-16); transition: border-color .2s, background .2s;
}
.txa { height: 400px; padding: 16px 18px; resize: vertical; line-height: 1.5; }
.inp:focus, .txa:focus { outline: none; border-color: var(--c-navy); background: #fff; }
.inp.is-error, .txa.is-error { border-color: #e5484d; }
.tel { display: flex; align-items: center; gap: 10px; }
.tel .inp { width: 150px; text-align: center; }
.tel span { color: var(--c-text2); }
.form-msg { min-height: 24px; margin-top: 14px; text-align: center; font-size: var(--fs-16); color: #e5484d; }
.form-msg.is-ok { color: var(--c-navy); }
.btn-submit {
  display: block; width: 245px; height: 60px; margin: 6px auto 0; border-radius: 999px; background: var(--c-navy); color: #fff;
  font-size: var(--fs-24); font-weight: 700; transition: transform .25s var(--ease), box-shadow .25s;
}
.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 12px 24px rgba(16, 54, 116, .25); }

/* =========================================================
   TABLET (768 ~ 1199)
   ========================================================= */
@media (max-width: 1199px) {
  :root {
    --side: 27px; --gap: 30px; --hd: 80px; --radius-lg: 30px;
    --fs-80: 56px; --fs-58: 48px; --fs-44: 34px; --fs-38: 28px; --fs-36: 28px;
    --fs-24: 20px; --fs-22: 19px; --fs-18: 16px; --fs-16: 14px;
    --sec-pad: 120px;
  }
  /* GNB 유지 (compact) */
  .header__inner { grid-template-columns: auto 1fr auto; column-gap: 20px; }
  .header__logo a { gap: 10px; }
  .header__logo img:first-child { height: 38px; }
  .header__logo img:last-child { height: 25px; }
  .gnb ul { justify-content: center; gap: clamp(14px, 2.4vw, 32px); }
  .gnb a { font-size: 15px; }
  .header__util { gap: 6px; }
  .header__util .btn-pill { height: 42px; padding: 0 18px; font-size: 16px; }
  .gnb a { white-space: nowrap; }

  .m-visual { padding: 120px 0 120px; }
  .v-cards { height: auto; margin-top: 70px; }
  .br-lg { display: none; }
  .v-card, .v-card.is-active { flex: 1 1 0; min-height: 0; padding: 50px 34px 0; }
  .v-card__title { font-size: var(--fs-44); white-space: normal; }
  .v-card__desc { white-space: normal; opacity: 1; transform: none; }
  .v-card:not(.is-active) .v-card__logo { transform: none; }
  .v-card .br-fold, .v-card.is-active .br-fold { display: none; } /* 파란칸 제목 2줄 */
  .v-card__logo, .v-card--b .v-card__logo { position: static; align-self: flex-end; margin: auto -6px 34px 0; padding-top: 30px; width: 170px !important; box-sizing: content-box; }
  .v-card--b .v-card__logo { width: 180px; }

  .m-refuse { padding: 120px 0; }
  .m-refuse__list li { padding: 12px 34px; min-height: 60px; }
  .m-refuse .dots { margin: 60px 0 70px; }

  .m-parallax { padding: 80px 0 110px; }
  .m-useprep, .m-childu { padding: 130px 0; }
  .m-useprep .split, .m-childu .split { margin-top: 70px; }
  .split { grid-template-columns: 1fr 1fr; column-gap: 30px; }
  .split__body { margin-top: 28px; }
  .split__body p + p { margin-top: 22px; }
  .bubbles { margin-top: 130px; }
  .bubble { min-height: 70px; padding: 16px 30px; font-size: 20px; }
  .lit-chart { padding: 50px 24px; }
  .brand-line { margin-top: 120px; }
  .brand-line__logo { width: 220px; }
  .brand-line__logo--childu { width: 250px; }
  .m-childu .brand-line, .recommend { margin-top: 120px; }
  .recommend__list { gap: 16px; margin-top: 50px; }
  .recommend__list li { padding: 20px 24px; min-height: 110px; gap: 16px; }
  .m-partner { padding: 130px 0; }
  .m-partner__desc { margin-top: 24px; }
  .marquee__item { width: 176px; height: 210px; }
  .marquee__item img { height: 120px; max-width: 140px; }
  .marquee__list { gap: 30px; padding-right: 30px; }
  .cta { grid-template-columns: 2fr 1fr; min-height: 0; }
  .cta__txt { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 44px 40px 40px; }
  .cta__desc { margin-top: 22px; }

  /* SUB : title on top, content full width */
  .s-visual { padding: 120px 0 110px; }
  .s-sec { padding-bottom: 110px; }
  .s-sec__grid, .s-sec--half .s-sec__grid, .s-contact .s-sec__grid { grid-template-columns: 1fr; }
  .s-sec__sticky { position: static; padding-bottom: 40px; }
  .s-sec__desc { margin-top: 18px; }
  .s-sec--has-level { --sec-pad: 110px; }
  /* 글/이미지 구성 : 텍스트를 이미지 기준 상하 중앙 */
  .lv-item { align-items: center; }
  .lv-item--full { align-items: start; }
  /* 이미지 뒤 원 : 크기 축소 + 위아래 여백 */
  .orbit-fig { padding: 10px 0; }
  .orbit i:nth-child(1) { width: 50%; left: 25%; margin-top: -25%; }
  .orbit i:nth-child(2) { width: 18%; right: 8%; top: 10%; }
  .orbit i:nth-child(3) { width: 8%; left: 10%; bottom: 12%; }
  .orbit i:nth-child(4) { width: 66%; left: 17%; margin-top: -33%; }
  .curri-img { margin: 0 auto; }
  .s-benefit { padding-bottom: 110px; }
  .benefit { grid-template-columns: repeat(2, 1fr); }
  .benefit li { min-height: 0; }
  .s-lt { padding: 110px 0; }
  .lt-cards { gap: var(--gap); margin-top: 50px; }
  .lt-card { padding: 20px 24px; }
  .s-process { padding: 110px 0; }
  .s-contact { padding: 110px 0 130px; }
  .sor__row { grid-template-columns: 240px 1fr; }

  /* 프로세스: 6칸 일렬 + 가맹심사에도 화살표 */
  .process { grid-template-columns: repeat(6, 1fr); gap: 0 22px; max-width: none; }
  .process__box { border-radius: 22px; }
  .process__arrow { width: 42px; height: 42px; margin: -21px 0 0 -10px; }
  .process li:nth-child(3) .process__arrow { display: block; }
  .process li strong { margin-top: 14px; }
}

/* PC 전용: 비주얼 카드 hover 확장 (1200px 이상) */
@media (min-width: 1200px) and (hover: hover) {
  .v-card { cursor: pointer; }
}

/* =========================================================
   GNB 햄버거 전환 (959px 이하)
   태블릿 폭이 좁아 로고·메뉴·학습관 버튼이 한 줄에 들어가지 않으면
   (실측 약 940px 미만) 메뉴가 겹치므로 햄버거 메뉴로 전환
   ========================================================= */
@media (max-width: 959px) {
  /* hamburger GNB */
  .header__inner { display: flex; justify-content: space-between; }
  .gnb, .header__util { display: none; }
  .header__toggle { position: relative; display: block; width: 40px; height: 40px; margin-right: -8px; }
  .header__toggle span { position: absolute; left: 9px; width: 22px; height: 2px; border-radius: 2px; background: var(--c-text); transition: transform .3s var(--ease), opacity .2s, top .3s var(--ease); }
  .header__toggle span:nth-child(1) { top: 13px; }
  .header__toggle span:nth-child(2) { top: 19px; }
  .header__toggle span:nth-child(3) { top: 25px; }
  .header.is-open .header__toggle span:nth-child(1) { top: 19px; transform: rotate(45deg); }
  .header.is-open .header__toggle span:nth-child(2) { opacity: 0; }
  .header.is-open .header__toggle span:nth-child(3) { top: 19px; transform: rotate(-45deg); }
  .m-menu {
    display: block; position: absolute; left: 0; right: 0; top: 100%;
    max-height: 0; overflow: hidden; background: #fff; border-top: 1px solid transparent;
    transition: max-height .45s var(--ease), border-color .3s, box-shadow .3s;
  }
  /* 메뉴 열림 : 뒷배경 반투명 검정 + 블러 */
  .header::before {
    content: ''; position: fixed; left: 0; right: 0; bottom: 0; top: var(--hd);
    background: rgba(0, 0, 0, .5); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
    opacity: 0; visibility: hidden; transition: opacity .35s, visibility .35s;
  }
  .header.is-open::before { opacity: 1; visibility: visible; }
  .header.is-open .m-menu { max-height: calc(100vh - var(--hd)); max-height: calc(100dvh - var(--hd)); overflow-y: auto; border-top-color: #eee; box-shadow: 0 20px 30px rgba(0, 0, 0, .08); }
  .header.is-open { border-bottom-color: #e2e2e2; }
  .m-menu__list { padding: 8px var(--side) 0; }
  .m-menu__list li { border-bottom: 1px solid #f0f0f0; }
  .m-menu__list a { display: flex; justify-content: space-between; align-items: center; padding: 18px 4px; font-size: 17px; font-weight: 400; }
  .m-menu__list a::after { content: ''; width: 8px; height: 8px; border-top: 2px solid #bbb; border-right: 2px solid #bbb; transform: rotate(45deg); }
  .m-menu__list a.is-active { font-weight: 700; }
  .m-menu__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 24px var(--side) 28px; }
  .m-menu__btns .btn-pill { height: 48px; padding: 0 10px; font-size: 14px; }
  body.is-menu-open { overflow: hidden; }
}

/* =========================================================
   MOBILE (320 ~ 767)
   ========================================================= */
@media (max-width: 767px) {
  :root {
    --side: 16px; --gap: 16px; --hd: 64px; --radius-lg: 24px; --radius-md: 16px;
    --fs-80: 34px; --fs-58: 32px; --fs-44: 28px; --fs-38: 22px; --fs-36: 24px;
    --fs-24: 20px; --fs-22: 16px; --fs-18: 16px; --fs-16: 14px; --fs-14: 13px;
  }
  .only-m { display: revert !important; }
  .only-pc { display: none !important; }
  .br-pc { display: none; }


  .header__logo img:first-child { height: 32px; }
  .header__logo img:last-child { height: 21px; }
  .tag { min-height: 32px; padding: 6px 12px; }
  .m-visual .tag, .m-head .tag,
  .s-visual > .inner > .tag { min-height: 38px; padding: 7px 16px; }
  .footer { padding: 44px 0 50px; }
  .footer__logo { margin-bottom: 26px; }
  .footer__logo img:first-child { height: 38px; }
  .footer__logo img:last-child { height: 25px; }
  .footer__info span { display: block; }
  .footer__info span + span::before { display: none; }

  .m-visual { padding: 70px 0 80px; }
  .m-visual__title { margin-top: 14px; }
  .m-visual__desc { margin-top: 18px; }
  .v-cards { flex-direction: column; gap: 14px; margin-top: 44px; }
  .v-card, .v-card.is-active { flex: none; min-height: 0; padding: 32px 24px 0; }
  .v-card__step { height: 36px; padding: 0 16px; }
  .v-card__desc { margin-top: 16px; }
  .v-card__logo, .v-card--b .v-card__logo { margin-bottom: 24px; padding-top: 24px; width: 140px !important; }
  .v-card--b .v-card__logo { width: 150px; }

  .m-refuse { padding: 80px 0; }
  .m-refuse__list { margin-top: 36px; gap: 6px; }
  .m-refuse__list li { width: 100%; min-height: 0; padding: 14px 16px; }
  .m-refuse .dots { margin: 40px 0 46px; gap: 14px; }
  .dots i { width: 6px; height: 6px; }

  .m-parallax { padding: 64px 0 70px; }
  .m-parallax__lead, .m-parallax__txt { margin-top: 18px; }
  .m-useprep, .m-childu { padding: 90px 0; }
  .m-head__title { margin-top: 14px; }
  .m-head__desc { margin-top: 18px; }
  .m-useprep .split, .m-childu .split { margin-top: 44px; }
  .split { grid-template-columns: 1fr; row-gap: 32px; }
  .split__title { margin-top: 14px; }
  .bubbles { margin-top: 90px; gap: 10px; }
  .bubble { width: 100%; justify-content: center; min-height: 56px; padding: 12px 18px; border-radius: 28px 28px 0 28px; text-align: left; }
  .bubble img { width: 18px; height: 18px; flex: none; }
  .m-useprep .dots { margin: 44px 0 40px; }
  .literacy__txt { margin-top: 22px; }
  .literacy__txt + .literacy__txt { margin-top: 18px; }
  .lit-chart { margin-top: 40px; padding: 40px 12px 36px; }
  .lit-chart__bar span { font-size: 3.4cqw; }
  .lit-chart__bar:nth-child(6) span { font-size: 3.6cqw; }
  .lit-chart__foot { margin-top: 10px; }
  .brand-line { flex-direction: column-reverse; align-items: flex-start !important; gap: 24px; margin-top: 80px !important; }
  .brand-line__logo { width: 160px; }
  .brand-line__logo--childu { width: 170px; }
  .m-childu .brand-line__note { margin-top: 18px; }
  .notice__list { margin-top: 28px; }
  .notice__list li { gap: 14px; padding: 20px 4px; }
  .notice__list img { width: 22px; height: 22px; }
  .recommend { margin-top: 80px; }
  .recommend__list { grid-template-columns: 1fr; gap: 10px; margin-top: 30px; }
  .recommend__list li { min-height: 0; padding: 18px 18px; gap: 14px; }
  .num { width: 26px; height: 26px; font-size: 13px; }
  .m-partner { padding: 90px 0; }
  .m-partner__desc { margin-top: 16px; }
  .marquee { margin-top: 36px; }
  .marquee__track { animation-duration: 30s; }
  .marquee__item { width: 136px; height: 168px; gap: 10px; border-radius: 12px; }
  .marquee__item img { height: 90px; max-width: 110px; }
  .marquee__item { height: 172px; }
  .marquee__list { gap: 14px; padding-right: 14px; }
  .m-cta { padding-bottom: 70px; }
  .cta { grid-template-columns: 1fr; min-height: 0; }
  .cta__txt { padding: 44px 24px 40px; }
  .cta__desc { margin-top: 24px; }
  .cta__photo { aspect-ratio: 4 / 3; order: -1; }
  .cta__photo img { object-position: center 30%; }

  .s-visual { padding: 60px 0 70px; }
  .s-visual__img { margin-top: 24px; aspect-ratio: 4 / 3; }
  .s-visual__txt { margin-top: 20px; text-align: left; }
  .s-visual__txt strong { margin-top: 18px; }
  .s-sec { padding-bottom: 80px; }
  .s-sec__sticky { padding-bottom: 28px; }
  .s-sec__title { margin-top: 12px; }
  .c-head { padding-bottom: 24px; }
  .c-block { padding: 34px 0; }
  .c-block--fig { grid-template-columns: 1fr; }
  .c-block--fig .orbit-fig { max-width: 300px; margin: 0 auto; }
  .c-block--fig .orbit-fig--b { max-width: 220px; min-height: 0; margin: 32px auto 44px; padding: 24px 0; overflow: hidden; }
  .orbit-fig--b .orbit i:nth-child(1) { width: 34%; left: 33%; margin-top: -17%; }
  .orbit-fig--b .orbit i:nth-child(2) { width: 12%; right: 12%; top: 14%; }
  .orbit-fig--b .orbit i:nth-child(3) { width: 5%; left: 14%; bottom: 16%; }
  .orbit-fig--b .orbit i:nth-child(4) { width: 44%; left: 28%; margin-top: -22%; }
  .cycle { margin-top: 28px; }
  .cycle__head span { padding: 12px 4px; }
  .cycle__body div { padding: 14px 4px 16px; }
  .sor { margin-top: 30px; }
  .sor__row { grid-template-columns: 1fr; }
  .sor__step { padding: 18px 20px; }
  .sor__desc { padding: 18px 20px 22px; }
  .s-sec--has-level { --sec-pad: 80px; }
  .lv-item { grid-template-columns: 1fr; gap: 22px; padding: 32px 0; }
  .placement li { min-height: 110px; }
  .placement li small { font-size: 11px; }
  .vpick-wrap { grid-template-columns: 1fr; gap: 34px; margin-top: 28px; }
  .vpick__label { margin-bottom: 12px; }
  .select select { height: 46px; padding-left: 16px; }
  .play-ico { width: 50px; height: 50px; margin: -25px 0 0 -25px; }
  .play-ico::after { left: 19px; top: 13px; border-left-width: 15px; border-top-width: 9px; border-bottom-width: 9px; }
  .s-lt { padding: 80px 0; }
  .s-lt__txt { margin-top: 18px; }
  .lt-cards { grid-template-columns: 1fr; gap: 12px; margin-top: 36px; }
  .lt-card { min-height: 90px; padding: 16px 16px 16px 24px; border-radius: 45px; }
  .lt-card .btn-pill { min-width: 0; height: 42px; gap: 8px; padding: 0 16px; font-size: 13px; }
  .intro-list li { min-height: 0; padding: 18px 18px; gap: 14px; }
  .intro-list li + li { margin-top: 10px; }
  .vgrid, .books { grid-template-columns: 1fr; gap: 26px; }
  .books { grid-template-columns: 1fr 1fr; gap: 22px 12px; }
  .books__img { height: 150px; padding: 14px 0 5px; }
  .btn-down { height: 54px; margin-top: 36px; }
  .s-benefit { padding: 10px 0 80px; }
  .benefit { grid-template-columns: 1fr; gap: 12px; margin-top: 28px; }
  .benefit li { padding: 26px 22px; }
  .benefit__ico { width: 60px; height: 60px; border-radius: 12px; }
  .benefit__ico img { width: 30px; height: 30px; }
  .benefit strong { margin-top: 22px; }
  .support li { grid-template-columns: 1fr; gap: 16px; }
  .support li + li { margin-top: 36px; }
  .support__img { order: -1; }
  .s-process { padding: 80px 0; }
  .curriculum li .btn-down {font-size: var(--fs-22);}

  /* 프로세스: 다시 PC 구성(3 x 2) */
  .process { grid-template-columns: repeat(3, 1fr); gap: 30px 18px; }
  .process__box { border-radius: 18px; }
  .process__arrow { width: 44px; height: 44px; margin: -22px 0 0 -13px; }
  .process li:nth-child(3) .process__arrow { display: none; }
  .process li strong { margin-top: 10px; }
  .s-contact { padding: 80px 0 90px; }
  .form-row + .form-row { margin-top: 22px; }
  .tel { gap: 6px; }
  .tel .inp { width: auto; flex: 1; min-width: 0; padding: 0 8px; }
  .txa { height: 260px; }
  .inp, .txa, .select select { font-size: 16px; }
  .btn-submit { width: 100%; height: 54px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
}
/* =========================================================
   MOBILE (~ 425 )
   ========================================================= */
@media (max-width: 425px) {
	.m-refuse__list li {text-align: left; justify-content: start;}
}